WO2019189168A1 - Composition lubrifiante - Google Patents

Composition lubrifiante Download PDF

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Publication number
WO2019189168A1
WO2019189168A1 PCT/JP2019/012832 JP2019012832W WO2019189168A1 WO 2019189168 A1 WO2019189168 A1 WO 2019189168A1 JP 2019012832 W JP2019012832 W JP 2019012832W WO 2019189168 A1 WO2019189168 A1 WO 2019189168A1
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WO
WIPO (PCT)
Prior art keywords
lubricating oil
oil composition
mass
content
composition according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2019/012832
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English (en)
Japanese (ja)
Inventor
拓矢 大野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Kosan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Idemitsu Kosan Co Ltd filed Critical Idemitsu Kosan Co Ltd
Priority to CN201980022506.3A priority Critical patent/CN111886324A/zh
Priority to US17/041,899 priority patent/US20210130731A1/en
Priority to JP2020510906A priority patent/JP7286622B2/ja
Publication of WO2019189168A1 publication Critical patent/WO2019189168A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
    • C10M101/02—Petroleum fractions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/02—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
    • C10M111/04—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a macromolecular organic compound
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
    • C10M135/20—Thiols; Sulfides; Polysulfides
    • C10M135/28—Thiols; Sulfides; Polysulfides containing sulfur atoms bound to a carbon atom of a six-membered aromatic ring
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
    • C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
    • C10M137/04—Phosphate esters
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
    • C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
    • C10M137/04—Phosphate esters
    • C10M137/08—Ammonium or amine salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
    • C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
    • C10M137/04—Phosphate esters
    • C10M137/10—Thio derivatives
    • C10M137/105—Thio derivatives not containing metal
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
    • C10M141/10—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic phosphorus-containing compound
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/102—Aliphatic fractions
    • C10M2203/1025—Aliphatic fractions used as base material
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    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/108—Residual fractions, e.g. bright stocks
    • C10M2203/1085—Residual fractions, e.g. bright stocks used as base material
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/0206—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
    • C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • C10M2207/124—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms containing hydroxy groups; Ethers thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/34—Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064—Di- and triaryl amines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/223—Five-membered rings containing nitrogen and carbon only
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M2219/083—Dibenzyl sulfide
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/041—Triaryl phosphates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/043—Ammonium or amine salts thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/047—Thioderivatives not containing metallic elements
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/02—Viscosity; Viscosity index
    • C—CHEMISTRY; METALLURGY
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02—Pour-point; Viscosity index
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/02—Bearings
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/04—Aerosols
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/06—Gaseous phase, at least during working conditions

Definitions

  • the present invention relates to a lubricating oil composition.
  • the rotating part of the machine tool is preferably capable of rotating at high speed even when a high load is applied in order to improve the processing efficiency.
  • grease is often used as lubricating oil for rolling bearings.
  • the rotation speed of the main shaft becomes high, the supply of grease becomes insufficient, and therefore the adoption of oil-air lubrication becomes the mainstream.
  • Patent Document 1 discloses a lubricating oil composition used for oil-air lubrication, which contains 20 to 80% by mass of ester oil and contains poly ⁇ -olefin or ether oil.
  • the lubricating oil composition has not only a lubricating characteristic but also a demand from an economic aspect such as cost reduction.
  • the lubricating oil composition described in Patent Document 1 uses expensive synthetic oils such as ester oils, poly ⁇ -olefins and ether oils, and improvements are required from the viewpoint of cost reduction.
  • the viewpoint of cost reduction use mineral oil instead of synthetic oil, and also, among mineral oils, perform degreasing treatment, dewaxing treatment, hydrorefining treatment, etc. on the residual oil after crude oil is distilled under reduced pressure.
  • There is a demand for the use of bright stock which is a high-viscosity mineral oil obtained by application.
  • An object of the present invention is to provide a lubricating oil composition having low lubricity and good lubricating properties even when mineral oil containing bright stock is used.
  • the inventor of the present invention can solve the above-mentioned problems by adjusting the contents of the synthetic oil and the phosphate ester within a predetermined range in a lubricating oil composition containing 30% by mass or more of mineral oil containing bright stock.
  • the headline and the present invention were completed.
  • a lubricating oil composition containing 30% by mass or more of mineral oil (A) containing bright stock (A1) based on the total amount of the lubricating oil composition, In addition, containing synthetic oil (B) and phosphate ester (C), The content of the synthetic oil (B) is less than 70% by mass based on the total amount of the lubricating oil composition, Lubricating oil composition having a phosphorous ester (C) content in terms of phosphorus atoms of 0.050 to 0.200 mass% and a viscosity index of 150 or more based on the total amount of the lubricating oil composition .
  • the lubricating oil composition according to any one of [1] to [7], wherein the phosphate ester (C) includes a compound (C1) selected from acidic phosphate esters and amine salts of acidic phosphate esters. . [9]
  • the phosphoric acid ester (C) includes a compound (C1) selected from acidic phosphoric acid esters and amine salts of acidic phosphoric acid esters, and a neutral phosphoric acid ester (C2). ]
  • the lubricating oil composition in any one of these.
  • the lubricating oil composition of the present invention uses a mineral oil containing bright stock, which is advantageous in terms of cost reduction, has low temperature dependence, and has good lubricating properties.
  • the lubricating oil composition of the present invention comprises a mineral oil (A) containing bright stock (A1), a synthetic oil (B), and a phosphate ester (C), and is prepared so that the viscosity index is 150 or more. It is.
  • the viscosity index is less than 150, for example, when used for oil-air lubrication, it may be difficult to form a strong oil film on the surface inside the pipe depending on the temperature inside the pipe.
  • the viscosity index of the lubricating oil composition of the present invention is 150 or more, preferably 151 or more, more preferably 153 or more.
  • the kinematic viscosity at 100 ° C. of the lubricating oil composition of one embodiment of the present invention is preferably 30.0 to 60.0 mm 2 / s, more preferably 35.0 to 55.0 mm 2 / s, still more preferably Is 40.0 to 52.0 mm 2 / s.
  • kinematic viscosity and viscosity index mean values measured and calculated in accordance with JIS K 2283: 2000.
  • the lubricating oil composition of one embodiment of the present invention preferably further contains an antioxidant (D).
  • the lubricating oil composition of one embodiment of the present invention may further contain additives for lubricating oil other than the components (C) and (D) as long as the effects of the present invention are not impaired.
  • the total content of the component (A), the component (B), and the component (C) is preferably based on the total amount (100% by mass) of the lubricating oil composition. It is 70 to 100% by mass, more preferably 75 to 100% by mass, still more preferably 80 to 100% by mass, and still more preferably 90 to 100% by mass.
  • the total content of component (A) and component (B) is preferably 65% by mass or more based on the total amount (100% by mass) of the lubricating oil composition. , More preferably 71% by mass or more, more preferably 76% by mass or more, further preferably 81% by mass or more, still more preferably 86% by mass or more, and preferably 99.9% by mass or less, more preferably It is 99.5 mass% or less, More preferably, it is 99.0 mass% or less.
  • the mineral oil (A) contained in the lubricating oil composition of the present invention includes, for example, atmospheric residual oil obtained by atmospheric distillation of paraffinic crude oil, intermediate base crude oil, naphthenic crude oil and the like; Distilled oil obtained by distilling the pressure residue under reduced pressure; the distillate is subjected to one or more treatments such as solvent removal, solvent extraction, hydrocracking, solvent dewaxing, catalytic dewaxing, hydrorefining, etc.
  • GTL wax Gas To Liquids WAX
  • These mineral oils (A) may be used independently and may use 2 or more types together.
  • the mineral oil (A) content is 30% by mass or more based on the total amount (100% by mass) of the lubricating oil composition from the viewpoint of cost reduction.
  • a lubricating oil composition having good lubricating properties preferably 30 to 90% by mass, more preferably 30 to It is 80% by mass, more preferably 30 to 70% by mass, and still more preferably 30 to 60% by mass.
  • the mineral oil (A) contained in the lubricating oil composition of the present invention contains bright stock (A1) from the viewpoint of cost reduction.
  • bright stock means solvent removal, solvent extraction, solvent dewaxing with respect to residual oil after distillation under reduced pressure of crude oil such as paraffinic crude oil, intermediate base crude oil, naphthenic crude oil, And a high-viscosity mineral oil produced by a treatment selected from hydrorefining and the like.
  • the kinematic viscosity at 100 ° C. of bright stock (A1) preferably 28.0 mm 2 / s or more, more preferably 29.0 mm 2 / s or more, more preferably 30.0 mm 2 / s or more, usually 40 0.0 mm 2 / s or less, preferably 35.0 mm 2 / s or less.
  • the viscosity index of the bright stock (A1) is preferably 80 or more, more preferably 90 or more, and still more preferably 100 or more, from the viewpoint of a lubricating oil composition having low temperature dependency.
  • the paraffin content (% C P ) of the bright stock (A1) used in one embodiment of the present invention is preferably 50 to 90, more preferably 60 to 85, and still more preferably 70 to 80.
  • the naphthene content (% C N ) of the bright stock (A1) is preferably 10 to 40, more preferably 15 to 35, and still more preferably 20 to 30.
  • the aromatic content (% C A ) of the bright stock (A1) is preferably 0 to 30, more preferably 0 to 20, and still more preferably 0 to 10.
  • the values of paraffin content (% C P ), naphthene content (% C N ), and aromatic content (% C A ) are measured by ASTM D-3238 ring analysis (ndM method). Means the ratio (percentage) of paraffin, naphthene, and aromatics as measured by
  • the content ratio of the bright stock (A1) in the mineral oil (A) is based on the total amount (100% by mass) of the mineral oil (A), from the viewpoint of cost reduction, and has low lubricity and good lubrication characteristics. From the viewpoint of a lubricating oil composition, it is preferably 5 to 70% by mass, more preferably 10 to 67% by mass, still more preferably 12 to 65% by mass, and still more preferably 14 to 62% by mass.
  • the mineral oil (A) used in one embodiment of the present invention preferably contains a mineral oil (A2) other than the bright stock (A1) from the viewpoint of adjusting to a predetermined viscosity.
  • Examples of mineral oil (A2) include those described above, and isomerize mineral oil classified in any one of groups 1 to 3 of the base oil category of the American Petroleum Institute (API) and GTL wax.
  • API American Petroleum Institute
  • GTL wax GTL wax
  • the mineral oil obtained in (1) can be used, the mineral oil classified into Group 1 or 2 is preferable from the viewpoint of cost reduction.
  • the lubricating oil composition of the present invention even if a mineral oil classified into Group 1 or 2 is used, it can be prepared to have low temperature dependency and good lubricating properties.
  • the kinematic viscosity at 100 ° C. in mineral oil (A2) preferably 7.0 ⁇ 15.0mm 2 / s, more preferably 9.0 ⁇ 13.0mm 2 / s, more preferably 10.0 ⁇ 12.0 mm 2 / s.
  • a viscosity index of mineral oil (A2) Preferably it is 80 or more, More preferably, it is 90 or more, More preferably, it is 100 or more.
  • the paraffin content (% C P ) of the mineral oil (A2) used in one embodiment of the present invention is preferably 50 to 90, more preferably 60 to 85, and still more preferably 70 to 80.
  • the naphthene content (% C N ) of the mineral oil (A2) is preferably 10 to 40, more preferably 15 to 35, and still more preferably 20 to 30.
  • the aromatic content (% C A ) of the mineral oil (A2) is preferably 0 to 20, more preferably 0 to 10, and still more preferably 0 to 5.
  • Examples of the synthetic oil (B) contained in the lubricating oil composition of the present invention include poly ⁇ -olefins; isoparaffins; various esters such as polyol esters and dibasic acid esters; various ethers such as polyphenyl ethers; Alkylbenzene; alkylnaphthalene; and the like. These synthetic oils (B) may be used alone or in combination of two or more.
  • the content of the synthetic oil (B) is less than 70% by mass from the viewpoint of cost reduction on the basis of the total amount (100% by mass) of the lubricating oil composition. From the viewpoint of providing a lubricating oil composition having low properties and good lubricating properties, it is preferably 10% by mass or more and less than 70% by mass, more preferably 20% by mass or more and less than 70% by mass, and further preferably 30% by mass or more and 70% by mass. The amount is less than mass%, more preferably 40 mass% or more and less than 65 mass%.
  • the kinematic viscosity at 100 ° C. of the synthetic oil (B) used in one embodiment of the present invention is preferably 80 to 180 mm 2 / s, more preferably 85 to 175 mm 2 / s, and still more preferably 90 to 170 mm 2 / s. is there. Further, the viscosity index of the synthetic oil (B) is preferably 130 or more, more preferably 150 or more, and further preferably 170 or more.
  • the synthetic oil (B) used in one embodiment of the present invention has a low temperature dependency even when a mineral oil containing bright stock is used, and is a poly ⁇ -olefin from the viewpoint of a lubricating oil composition having good lubricating properties. It is preferable to contain (B1).
  • the poly ⁇ -olefin (B1) may be an ⁇ -olefin homopolymer or an ⁇ -olefin copolymer. Examples of the ⁇ -olefin copolymer include a copolymer of ethylene and an ⁇ -olefin having 8 to 20 (preferably 8 to 14) carbon atoms. Poly- ⁇ -olefin (B1) may be used alone or in combination of two or more.
  • the poly ⁇ -olefin (B1) has a low temperature dependency and a lubricating oil composition having good lubricating properties.
  • a poly ⁇ -olefin obtained by polymerization using a metallocene catalyst (hereinafter also referred to as “m-PAO”) is preferable.
  • the content ratio of the poly ⁇ -olefin (B1) in the synthetic oil (B) is preferably 50 to 100% by mass, 65 to 100% by mass, and more preferably based on the total amount (100% by mass) of the synthetic oil (B).
  • the amount is preferably 80 to 100% by mass, and more preferably 90 to 100% by mass.
  • the lubricating oil composition of the present invention is a phosphoric acid composition from the viewpoint of improving the lubricating properties, especially the lubricating oil composition having improved wear resistance and thermal stability, even when mineral oil containing bright stock is used. Contains ester (C).
  • Examples of the phosphate ester (C) include neutral phosphate esters such as aryl phosphate, alkyl phosphate, alkenyl phosphate, and alkylaryl phosphate; monoaryl acid phosphate, diaryl acid phosphate, monoalkyl acid phosphate, dialkyl acid phosphate, monoalkyl phosphate Acid phosphates such as alkenyl acid phosphate and dialkenyl acid phosphate; Phosphorous acid esters such as aryl hydrogen phosphite, alkyl hydrogen phosphite, aryl phosphite, alkyl phosphite, alkenyl phosphite, aryl alkyl phosphite; monoalkyl Acid phosphite, dialkyl acid phosphite, monoalkenyl acid phosphite , Acid phosphite and di-alkenyl acid phosphite; and the like.
  • the content of the phosphoric acid ester (C) in terms of phosphorus atoms is improved from the viewpoint of improving lubricating properties, in particular, wear resistance and thermal stability.
  • the content in terms of phosphorus atom means a value measured according to JPI-5S-38-03.
  • the phosphate ester (C) preferably contains a compound (C1) selected from an acidic phosphate ester and an amine salt of the acidic phosphate ester, and contains a compound (C1) and a neutral phosphate ester (C2). Is more preferable.
  • the content of the compound (C1) is preferably 0.010 to 0.50, based on the total amount (100% by mass) of the lubricating oil composition. % By mass, more preferably 0.015 to 0.40% by mass, still more preferably 0.020 to 0.30% by mass, and still more preferably 0.025 to 0.25% by mass.
  • the phosphate ester (C) when the phosphate ester (C) includes the compound (C1) and the neutral phosphate ester (C2), the content of the neutral phosphate ester (C2) with respect to the compound (C1)
  • the ratio [(C2) / (C1)] is, by mass ratio, preferably 2.0 to 40, more preferably 2.2 to 32, still more preferably 2.4 to 25, and still more preferably 2.5. ⁇ 15.
  • acidic phosphate ester which can be selected as a compound (C1)
  • the compound represented by the following general formula (c1) is preferable.
  • n is 1 or 2.
  • Each R a is independently an alkyl group having 1 to 18 (preferably 1 to 15) carbon atoms.
  • n is 2, the plurality of R a may be the same or different from each other.
  • the amine salt of the acidic phosphate ester that can be selected as the compound (C1) is preferably an amine salt of the compound represented by the general formula (c1).
  • the amine constituting the amine salt is preferably a compound represented by the following general formula (ci).
  • R c each independently represents an alkyl group having 6 to 18 carbon atoms, an alkenyl group having 6 to 18 carbon atoms, an aryl group having 6 to 18 ring carbon atoms, an arylalkyl group having 7 to 18 carbon atoms, or a carbon number 6 to 18 hydroxyalkyl groups.
  • R c there are a plurality, the plurality of R c is may be identical to each other, may be different from each other.
  • neutral phosphate ester (C2) a compound represented by the following general formula (c2-1) is preferable, and a compound represented by the following general formula (c2-2) is more preferable.
  • R 1 to R 3 are each independently an alkyl group having 1 to 12 carbon atoms or a ring forming carbon atom having 6 to 6 carbon atoms substituted with an alkyl group having 1 to 12 carbon atoms. 18 aryl groups.
  • R 11 to R 13 are each independently an alkyl group having 1 to 12 carbon atoms, preferably an alkyl group having 1 to 4 carbon atoms.
  • p1 to p3 are each independently an integer of 1 to 5, preferably an integer of 1 to 2, and more preferably 1.
  • the lubricating oil composition of one embodiment of the present invention preferably further contains an antioxidant (D).
  • the content of the antioxidant (D) is preferably 0.1 to 7.0% by mass, based on the total amount (100% by mass) of the lubricating oil composition. More preferably, the content is 0.2 to 5.0% by mass, and still more preferably 0.3 to 3.0% by mass.
  • the antioxidant (D) preferably contains at least one selected from a phenolic antioxidant (D1) and an amine antioxidant (D2). More preferably, both the agent (D1) and the amine-based antioxidant (D2) are contained.
  • the content ratio [(D1) / (D2)] of the phenol-based antioxidant (D1) and the amine-based antioxidant (D2) is preferably 1/5 to 5/1, more preferably 1/4 to 4/1, still more preferably 1/3 to 3/1.
  • phenolic antioxidant (D1) examples include 2,6-di-t-butylphenol, 2,6-di-t-butyl-4-methylphenol, and 2,6-di-t-butyl-4- Monophenols such as ethylphenol, isooctyl-3- (3,5-di-t-butyl-4-hydroxyphenyl) propionate, octadecyl-3- (3,5-di-t-butyl-4-hydroxyphenyl) propionate
  • diphenolic compounds such as 4,4′-methylenebis (2,6-di-t-butylphenol), 2,2′-methylenebis (4-ethyl-6-t-butylphenol); hindered phenolic compounds And the like.
  • Examples of the amine antioxidant (D2) include diphenylamine compounds such as alkylated diphenylamine having an alkyl group having 3 to 20 carbon atoms; ⁇ -naphthylamine, phenyl- ⁇ -naphthylamine, and alkyl having 3 to 20 carbon atoms. Naphthylamine compounds such as substituted phenyl- ⁇ -naphthylamine having a group; and the like.
  • the lubricating oil composition of one embodiment of the present invention may contain additives for lubricating oil other than the components (C) and (D) as long as the effects of the present invention are not impaired.
  • lubricating oil additives include viscosity index improvers, pour point depressants, detergents, dispersants, rust inhibitors, metal deactivators, demulsifiers, and antifoaming agents. These lubricant additives may be used alone or in combination of two or more.
  • Each content of these additives for lubricating oil can be appropriately adjusted within a range not impairing the effects of the present invention, but is usually 0.001 based on the total amount (100% by mass) of the lubricating oil composition. ⁇ 10% by mass.
  • additives such as viscosity index improvers and antifoaming agents are diluted and dissolved in a part of the above-described mineral oil (A) in consideration of handling properties and solubility in mineral oil (A). You may mix
  • the above-described content of additives such as an antifoaming agent and a viscosity index improver means a content in terms of active ingredients (resin content) excluding diluent oil. .
  • an extreme pressure agent other than the component (C) may be contained within a range not impairing the effects of the present invention.
  • the sulfur atom-containing extreme pressure agent include sulfur extreme pressure agents such as dibenzyl disulfide; sulfur-phosphorus extreme pressure agents such as 0,0,0-triphenylphosphorothioate; and the like.
  • the content of the sulfur atom-containing extreme pressure agent in terms of sulfur atoms is preferably 0.12% by mass based on the total amount (100% by mass) of the lubricating oil composition. Less than, more preferably less than 0.07% by mass, and still more preferably less than 0.01% by mass.
  • the content in terms of sulfur atom means a value measured according to JIS K2541-6: 2013.
  • the lubricating oil composition of the present invention uses a mineral oil containing bright stock, has an advantage in terms of cost reduction, has low temperature dependence, and has good lubricating properties, particularly wear resistance.
  • the wear scar diameter of the fixed sphere is preferably 0.55 mm or less, more preferably 0.50 mm or less, and still more preferably 0.47 mm or less.
  • the lubricating oil composition of one embodiment of the present invention was subjected to a thermal stability test at 150 ° C. for 168 hours in accordance with JIS K2540, and then an oil temperature of 60 ° C., a rotation speed of 1200 rpm, a load of 392 N, a test
  • the wear scar diameter of the fixed sphere after the test when the four ball test according to ASTM D4172 is performed under the condition of 60 minutes is preferably 0. It is 70 mm or less, more preferably 0.65 mm or less, still more preferably 0.60 mm or less.
  • the lubricating oil composition of the present invention can be applied to various lubricating applications, it has good lubricating properties such as low temperature dependency and excellent wear resistance, and therefore it is preferably used in an oil-air lubricating system.
  • this invention can also provide the usage method of the oil-air lubrication system shown to following (1), and the lubricating oil composition shown to following (2).
  • regulated by following (1) and (2) is as above-mentioned.
  • Examples 1-7, Comparative Examples 1-2 The following mineral oils, synthetic oils, and various additives were added in the blending amounts shown in Table 1, and mixed well to prepare lubricating oil compositions. Details of the mineral oil and various additives used in the examples and comparative examples are as follows.
  • Amine salt of acidic phosphate ester (1) An amine salt of acidic phosphate ester (1) wherein R a in the general formula (c1) is a methyl group and n is 1 or 2.
  • Amine salt of acidic phosphate ester (2) R a in the general formula (c1) is an isotridecyl group (C13 alkyl group), and amine of acidic phosphate ester (2) wherein n is 1 or 2 salt.
  • Acid phosphate ester (3) Acid phosphate ester (3) wherein R a in the general formula (c1) is an octadecyl group (C18 alkyl group) and n is 1 or 2.
  • Neutral phosphate ester (1) tricresyl phosphate, a compound in which R 11 to R 13 in the general formula (c2-2) are methyl groups and p1 to p3 are 1.
  • Negtral phosphate ester (2) mono- or di-t-butyltriphenyl phosphate, R 11 to R 13 in the general formula (c2-2) are t-butyl groups, and p1 to p3 are 1 Or a compound that is 2.
  • Table 1 shows the kinematic viscosity at 100 ° C. and the viscosity index of the lubricating oil compositions prepared in Examples and Comparative Examples. Moreover, the wear scar diameter by the four ball test before and behind the thermal stability test was measured according to the following method using each lubricating oil composition as a sample oil. These measurement results are also shown in Table 1.
  • Abrasion scar diameter by four-ball test before thermal stability test A four-ball test according to ASTM D4172 is performed under conditions of an oil temperature of 60 ° C., a rotation speed of 1200 rpm, a load of 392 N, and a test time of 60 minutes, and the wear scar diameter (mm) of the fixed ball after the test is measured. The wear scar diameter was determined by a four-ball test before the thermal stability test.
  • the lubricating oil compositions of Examples 1 to 7 have a high viscosity index and low temperature dependency, and compared to Comparative Examples 1 and 2, the wear scar diameter by the four-ball test before the thermal stability test. Is small and it is understood that the wear resistance is excellent.
  • Comparative Examples 1 and 2 since the wear scar diameter value by the four-ball test before the thermal stability test was large and the result was inferior in wear resistance, the "wear mark diameter by the four-ball test after the thermal stability test" The test was terminated without measuring the value of.

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Lubricants (AREA)

Abstract

L'invention concerne une composition lubrifiante comprenant 30% en masse ou plus, sur la base de la quantité totale de la composition lubrifiante, d'une huile minérale (A) qui comprend un bright stock (A1), et comprenant en outre une huile synthétique (B) et un ester d'acide phosphorique (C), la teneur de l'huile synthétique (B) étant inférieure à 70% en masse sur la base de la quantité totale de la composition lubrifiante, la teneur de l'ester d'acide phosphorique (C) en termes d'atomes de phosphore étant de 0,050 à 0,200% en masse sur la base de la quantité totale de la composition lubrifiante, et l'indice de viscosité étant supérieur ou égal à 150, la composition lubrifiante ayant une faible dépendance vis-à-vis de la température et de bonnes propriétés de lubrification même lorsqu'une huile minérale comprenant un bright stock est utilisée.
PCT/JP2019/012832 2018-03-30 2019-03-26 Composition lubrifiante Ceased WO2019189168A1 (fr)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62275198A (ja) * 1986-03-26 1987-11-30 トリボル・ルブリカンツ・ゲ−エムベ−ハ− 潤滑剤及びその製法
JPH08165482A (ja) * 1994-12-13 1996-06-25 Idemitsu Kosan Co Ltd ギヤ用潤滑油組成物
JP2000230633A (ja) * 1999-02-12 2000-08-22 Toshiba Mach Co Ltd 歯車の給油方法
JP2006176775A (ja) * 2004-12-21 2006-07-06 Chevron Oronite Co Llc 耐摩耗性添加剤組成物およびそれを含む潤滑油組成物
JP2008274190A (ja) * 2007-05-07 2008-11-13 Cosmo Sekiyu Lubricants Kk ギヤ油組成物
JP2013145046A (ja) * 2011-12-16 2013-07-25 Nsk Ltd ハイブリッド転がり軸受
WO2013154005A1 (fr) * 2012-04-12 2013-10-17 三井化学株式会社 Composition lubrifiante
JP2015086286A (ja) * 2013-10-30 2015-05-07 出光興産株式会社 潤滑油組成物

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2546795B2 (ja) * 1987-02-27 1996-10-23 出光興産株式会社 潤滑油組成物
US6323164B1 (en) * 2000-11-01 2001-11-27 Ethyl Corporation Dispersant (meth) acrylate copolymers having excellent low temperature properties
JP4808027B2 (ja) * 2003-02-07 2011-11-02 Ｊｘ日鉱日石エネルギー株式会社 変速機用潤滑油組成物
US8318002B2 (en) * 2005-12-15 2012-11-27 Exxonmobil Research And Engineering Company Lubricant composition with improved solvency
US20100105585A1 (en) * 2008-10-28 2010-04-29 Carey James T Low sulfur and ashless formulations for high performance industrial oils
JP6822635B2 (ja) * 2016-03-25 2021-01-27 出光興産株式会社 潤滑油組成物、及び潤滑油組成物の使用方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62275198A (ja) * 1986-03-26 1987-11-30 トリボル・ルブリカンツ・ゲ−エムベ−ハ− 潤滑剤及びその製法
JPH08165482A (ja) * 1994-12-13 1996-06-25 Idemitsu Kosan Co Ltd ギヤ用潤滑油組成物
JP2000230633A (ja) * 1999-02-12 2000-08-22 Toshiba Mach Co Ltd 歯車の給油方法
JP2006176775A (ja) * 2004-12-21 2006-07-06 Chevron Oronite Co Llc 耐摩耗性添加剤組成物およびそれを含む潤滑油組成物
JP2008274190A (ja) * 2007-05-07 2008-11-13 Cosmo Sekiyu Lubricants Kk ギヤ油組成物
JP2013145046A (ja) * 2011-12-16 2013-07-25 Nsk Ltd ハイブリッド転がり軸受
WO2013154005A1 (fr) * 2012-04-12 2013-10-17 三井化学株式会社 Composition lubrifiante
JP2015086286A (ja) * 2013-10-30 2015-05-07 出光興産株式会社 潤滑油組成物

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